Founded in 1900 the Associated Portland Cement Manufacturers Ltd was an amalgamation of 24 cement companies. In 1978 it became Blue Circle Industries PLC. In this wagon is a stack of Portland cement bags bearing the circular APCM logo.
Each bag was individually made with FIMO clay by pushing a lump through a rectangular hole in a piece of rigid plastic. As the clay protrudes it takes on the bulbous shape of a filled bag. Each bag is 'stuck' to each other (being clay they naturally stick to each other) to form the stack and then heated to harden. The blue circle logo is enamel paint picked up on the end of a very small metal tube and dabbed carefully onto each bag of the top layer.
The bricks are an artwork created in graphic editing software, printed and stuck to card to form a large block. Each brick has the 'frog' formed by pressing the end of a small flat blade screwdriver to create the indentation - a surprisingly effective finish to the model.